366473217520 has 80 divisors (see below), whose sum is σ = 897348458880. Its totient is φ = 138803846400.

The previous prime is 366473217503. The next prime is 366473217521. The reversal of 366473217520 is 25712374663.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×366473217520² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366473217521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996775 + ... + 3116665.

It is an arithmetic number, because the mean of its divisors is an integer number (11216855736).

Almost surely, 2^366473217520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366473217520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448674229440).

366473217520 is an abundant number, since it is smaller than the sum of its proper divisors (530875241360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366473217520 is a wasteful number, since it uses less digits than its factorization.

366473217520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121934 (or 121928 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 366473217520 in words is "three hundred sixty-six billion, four hundred seventy-three million, two hundred seventeen thousand, five hundred twenty".